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10121013223131 = 350772462326987
BaseRepresentation
bin1001001101000111101101…
…1001011101111011011011
31022211120002210221221011110
42103101323121131323123
52311310313341120011
633305310154231403
72063135066643066
oct223217331357333
938746083857143
1010121013223131
113252330123728
12117562aa25563
1358553b22c6b5
1426dc06c658dd
1512840dd3cba6
hex9347b65dedb

10121013223131 has 16 divisors (see below), whose sum is σ = 13498390623744. Its totient is φ = 6745489212384.

The previous prime is 10121013223127. The next prime is 10121013223141. The reversal of 10121013223131 is 13132231012101.

It is not a de Polignac number, because 10121013223131 - 22 = 10121013223127 is a prime.

It is a super-2 number, since 2×101210132231312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10121013223098 and 10121013223107.

It is not an unprimeable number, because it can be changed into a prime (10121013223121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375019420 + ... + 375046406.

It is an arithmetic number, because the mean of its divisors is an integer number (843649413984).

Almost surely, 210121013223131 is an apocalyptic number.

10121013223131 is a deficient number, since it is larger than the sum of its proper divisors (3377377400613).

10121013223131 is a wasteful number, since it uses less digits than its factorization.

10121013223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56690.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 10121013223131 its reverse (13132231012101), we get a palindrome (23253244235232).

The spelling of 10121013223131 in words is "ten trillion, one hundred twenty-one billion, thirteen million, two hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 3 5077 15231 24623 26987 73869 80961 125010971 137012999 375032913 411038997 664500901 1993502703 3373671074377 10121013223131